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SubjectRe: Multithreaded coredump patch where?
FromArjan van de Ven <>
Date17 Dec 2002 13:08:16 +0100
On Tue, 2002-12-17 at 12:05, Roberto Fichera wrote: 
> At 13.21 16/12/02 -0800, mgross wrote:
> 
> >I haven't rebased the patches I posted back in June for a while now.
> >
> >Attached is the patch I posted for the 2.4.18 vanilla kernel.  Its a bit
> >controversial, but it seems to work for a number of folks.  Let me know if
> >you have any troubles re-basing it.
> 
> Only one hunk failed on include/asm-ia64/elf.h but fixed by hand.
> Why do you say a bit controversial ?
The design has theoretical (but probably in practice not trivial to
trigger) deadlocks; by design it prevents processes that are sleeping
from running, regardless whether those processes are in kernel space or
not. If they are in kernel space, they can accidentally be holding a
semaphore that something in the core dumping path will need to get (
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